Document Detail

Unitary parametrization of perturbations to tribimaximal neutrino mixing.
MedLine Citation:
PMID:  18517775     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Current experimental data on neutrino mixing are very well described by tribimaximal mixing. Accordingly, any phenomenological parametrization of the Maki-Nakagawa-Sakata-Pontecorvo matrix must build upon tribimaximal mixing. We propose one particularly natural parametrization, which we call "triminimal." The three small deviations of the Particle Data Group angles from their tribimaximal values, and the PDG phase, parametrize the triminimal mixing matrix. As an important example of the utility of this new parametrization, we present the simple resulting expressions for the flavor-mixing probabilities of atmospheric and astrophysical neutrinos. As no foreseeable experiment will be sensitive to more than second order in the small parameters, we expand these flavor probabilities to second order.
Sandip Pakvasa; Werner Rodejohann; Thomas J Weiler
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.     Date:  2008-03-21
Journal Detail:
Title:  Physical review letters     Volume:  100     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2008 Mar 
Date Detail:
Created Date:  2008-06-03     Completed Date:  2008-06-19     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  111801     Citation Subset:  -    
Department of Physics and Astronomy, University of Hawaii, Honolulu, HI 96822, USA.
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